安装依赖
AlibabaCloud.SDK.Dysmsapi20170525：4.0.1
AlibabaCloud.OpenApiClient：0.1.15
AlibabaCloud.TeaConsole：0.1.0
AlibabaCloud.TeaUtil：0.1.19
Aliyun.Credentials：1.5.2
Tea：1.0.11

代码：

using System;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using System.Threading.Tasks;

using Tea;
using Tea.Utils;


namespace WpfApp1.Models
{
    public class SMS
    {

        /// <term><b>Description:</b></term>
        /// <description>
        /// <para>使用凭据初始化账号Client</para>
        /// </description>
        /// 
        /// <returns>
        /// Client
        /// </returns>
        /// 
        /// <term><b>Exception:</b></term>
        /// Exception
        public static AlibabaCloud.SDK.Dysmsapi20170525.Client CreateClient()
        {
            // 工程代码建议使用更安全的无AK方式，凭据配置方式请参见：https://help.aliyun.com/document_detail/378671.html。
            Aliyun.Credentials.Client credential = new Aliyun.Credentials.Client();
            AlibabaCloud.OpenApiClient.Models.Config config = new AlibabaCloud.OpenApiClient.Models.Config
            {
                Credential = credential, AccessKeyId= "凭据ID",AccessKeySecret= "凭据密钥"
            };
            // Endpoint 请参考 https://api.aliyun.com/product/Dysmsapi
            config.Endpoint = "dysmsapi.aliyuncs.com";
            return new AlibabaCloud.SDK.Dysmsapi20170525.Client(config);
        }

        public SMS()
        {
            AlibabaCloud.SDK.Dysmsapi20170525.Client client = CreateClient();
            AlibabaCloud.SDK.Dysmsapi20170525.Models.SendSmsRequest sendSmsRequest = new AlibabaCloud.SDK.Dysmsapi20170525.Models.SendSmsRequest
            {
                PhoneNumbers = "13000000000",
                SignName = "签名",
                TemplateCode = "模板编号",
                TemplateParam = "{\"code\":\"123456\"}",
            };
            AlibabaCloud.TeaUtil.Models.RuntimeOptions runtime = new AlibabaCloud.TeaUtil.Models.RuntimeOptions();
            try
            {
                AlibabaCloud.SDK.Dysmsapi20170525.Models.SendSmsResponse resp = client.SendSmsWithOptions(sendSmsRequest, runtime);

                // 打印完整响应信息
                Log.d($"Code: {resp.Body.Code}");
                Log.d($"Message: {resp.Body.Message}");
                Log.d($"RequestId: {resp.Body.RequestId}");
                Log.d($"BizId: {resp.Body.BizId}");

                AlibabaCloud.TeaConsole.Client.Log(AlibabaCloud.TeaUtil.Common.ToJSONString(resp));

                if (resp.Body.Code == "OK")
                {
                    Log.d("API调用成功，请检查以下问题：");
                    CheckSMSIssues();
                }
            }
            catch (TeaException error)
            {
                Log.d(error.Message);
            }
            catch (Exception _error)
            {
                Log.d($"Exception: {_error.Message}");
            }
        }

        private void CheckSMSIssues()
        {
            Log.d("可能的原因：");
            Log.d("1. 手机号码是否在测试白名单中");
            Log.d("2. 短信签名和模板是否已审核通过");
            Log.d("3. 账户余额是否充足");
            Log.d("4. 手机号是否欠费或信号问题");
            Log.d("5. 短信是否被手机安全软件拦截");
        }


    }
}

 AlibabaCloud.SDK.Dysmsapi20170525.Models.SendSmsRequest sendSmsRequest = new AlibabaCloud.SDK.Dysmsapi20170525.Models.SendSmsRequest
 {
     PhoneNumbers = "13000000000",
     SignName = "签名",
     TemplateCode = "模板编号",
     TemplateParam = "{\"code\":\"123456\"}",
 };

• 本文标题： 阿里云短信系统API接口
• 文章分类：【.NET/Web】
• 非特殊说明，本文版权归【胡同里的砖头】个人博客 所有，转载请注明出处.

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